Malicious PDF — malware analysis report

Static analysis result for SHA-256 56dc648d269789b9…

MALICIOUS

PDF

210.6 KB Created: 2021-04-01 05:02:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 8d593d6a43cfd3a0912d0511ae8e1a0a SHA-1: b20fea359d733093e80c6ad15bb9385532c3e652 SHA-256: 56dc648d269789b9d2d1cdcfa7eccab6c92850c670cf1803c3d2776ced940d46
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9938

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://seumenha.ru/123?utm_term=bhartiya+rail+bijlee+company+limited+annual+report PDF link annotation
    • https://cdn.sqhk.co/xujurovemu/b79ybif/94456708271.pdfIn PDF document text
    • https://mirodogewe.weebly.com/uploads/1/3/4/8/134861862/93073.pdfIn PDF document text
    • https://cdn.sqhk.co/lubometusoz/gheQjhF/57466448580.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379615/normal_6030d6e44f825.pdfIn PDF document text
    • https://cdn.sqhk.co/dulunukosep/gjHnVhh/solitary_lung_nodule_bts_guidelines.pdfIn PDF document text
    • https://webesetumisurut.weebly.com/uploads/1/3/4/3/134318687/6269924.pdfIn PDF document text
    • https://xojumupaxasa.weebly.com/uploads/1/3/4/6/134605953/b41b8cd5c2f6d4.pdfIn PDF document text
    • https://cdn.sqhk.co/nakunadubux/jfHeY5i/10677351234.pdfIn PDF document text
    • https://cdn.sqhk.co/dakuwuwuzije/gftGMOM/kiretunofagemaxebaseb.pdfIn PDF document text
    • https://cdn.sqhk.co/suvotoruwot/iQiaPqz/green_new_deal_proposal_taxes.pdfIn PDF document text
    • http://ruzamaji.getenjoyment.net/4346468873.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447903/normal_5fd9132084147.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483856/normal_5ffd7850bb03e.pdfIn PDF document text
    • https://tumafikajenama.weebly.com/uploads/1/3/5/3/135326798/zokimewivisema.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369638/normal_5fef1ab952bab.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zusaxadixuxot.myartsonline.com/online_to_word_converter_unlimited_pages.pdfIn PDF document text
    • http://rugoxesoteko.myartsonline.com/zebuzujatikunajodakoz.pdfIn PDF document text
    • http://jupevesu.atwebpages.com/15454597109.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b60e7e63-71c4-435f-bb66-7a5f8f53461c/panasonic_hvx200_release_date.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/965eb75c-b488-4b42-8d5d-063da7f32573/fundamentos_basicos_del_voleibol_resumido.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9fea2075-da60-450a-988f-b040464ad744/55924877284.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00030060.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30060 5500 bytes
SHA-256: 088374e51961ad5d1571979d6f7c4ad06953170560cd3ef37baba7c914e8f65b
font_01_sfnt_off000312f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x312F3 12008 bytes
SHA-256: 3962ba0bb5ced457ce688a85b0adefbb897eb731dfd33ac67e7d07dc145e8bd9

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